Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 99
he Bourdon tube and thediaphragm. The single spring Bourdon gauge as shown inFig. 2, is dependent for its action upon the fact that pressure admitted to a benttube has a tendency tostraighten it; however, it wasfound to be open to objectionfrom two main causes—(1)The end of the tube, afterpassing… … LOCOMOTIVE APPLIANCES. 91 accurate on a locomotive or any moving machin-ery, as the jolt and jar kept the pointer in such aconstant vibration as to prevent a correct reading ofthe pressure being obtained. Each improvement upon this single Bourdon tubegauge consisted mainly in cutting off a piece of…
Locomotives
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